FetchGithubIssues

工作流概述

这是一个包含9个节点的复杂工作流,主要用于自动化处理各种任务。

工作流源代码

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{
  "id": "okjjim5PVb2dZUgg",
  "meta": {
    "instanceId": "b229c9a129a49cc78e21e7f6e65be625850967828e8c77a8f82738e7c8461afc",
    "templateCredsSetupCompleted": true
  },
  "name": "FetchGithubIssues",
  "tags": [],
  "nodes": [
    {
      "id": "2f3cac64-7326-471d-8f6a-1677a4ff5a6d",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -540,
        -560
      ],
      "parameters": {
        "color": 5,
        "content": "### Get Github Issues HTTP Request 
- Edit the OWNER and REPO NAME in the respective fields
- The request is configured with query parameters of *state*, *since* and *labels*"
      },
      "typeVersion": 1
    },
    {
      "id": "13809408-63f3-4161-87f2-c5d950274aa9",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -260,
        -560
      ],
      "parameters": {
        "color": 3,
        "width": 180,
        "content": "### Extract Fields
Extract fields like title, comments, created_at, etc from the github api response"
      },
      "typeVersion": 1
    },
    {
      "id": "3df26230-c2b0-44d5-98da-cccbca493c8f",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -40,
        -560
      ],
      "parameters": {
        "color": 3,
        "width": 180,
        "content": "### Filter on Fields
Filter issues based on number of comments"
      },
      "typeVersion": 1
    },
    {
      "id": "819bd3f8-8d23-4299-ac1d-ae9762f944dd",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        220,
        -680
      ],
      "parameters": {
        "color": 5,
        "width": 200,
        "height": 280,
        "content": "### Send message to Telegram User
- This node is configured to send *issue title* and *url* to your user id
- Create a new telegram bot using the instructions [here](https://core.telegram.org/bots/tutorial#obtain-your-bot-token) and configure bot token in the telegram credential
- Chat ID can be your username or your username ID"
      },
      "typeVersion": 1
    },
    {
      "id": "9e08036f-e082-424d-b536-349d236a40ec",
      "name": "Send Message to @user",
      "type": "n8n-nodes-base.telegram",
      "position": [
        280,
        -380
      ],
      "webhookId": "d0c6ee9e-ed0b-49fa-95cd-e483fc29ffbc",
      "parameters": {
        "text": "=New Issue:  {{ $json.title }} [Link]({{ $json.html_url }})",
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "MEwozHKykMH3flb4",
          "name": "Telegram account 2"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "9cf3bf31-12a6-4f3b-a1e7-69f575f801f0",
      "name": "Check for comments",
      "type": "n8n-nodes-base.filter",
      "position": [
        0,
        -380
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "88ae0b8f-c586-4f01-8389-bc0e2c0473bc",
              "operator": {
                "type": "number",
                "operation": "lt"
              },
              "leftValue": "={{ $json.comments }}",
              "rightValue": 5
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "0cfd2924-64c0-4f8b-a15b-7e619d5b21bf",
      "name": "Map title, url, created, comments",
      "type": "n8n-nodes-base.set",
      "position": [
        -220,
        -380
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "ebad3986-8804-428f-acbb-7c1953dbbc47",
              "name": "title",
              "type": "string",
              "value": "={{ $json.title }}"
            },
            {
              "id": "2daabd16-f1af-4d24-8409-51e7ba242bbb",
              "name": "html_url",
              "type": "string",
              "value": "={{ $json.html_url }}"
            },
            {
              "id": "7ea20a16-794c-4701-81e0-4b99fb1a9fc7",
              "name": "created_at",
              "type": "string",
              "value": "={{ $json.created_at }}"
            },
            {
              "id": "0a4985f9-5d80-420b-ae57-15329bf19634",
              "name": "comments",
              "type": "number",
              "value": "={{ $json.comments }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "eacbb029-03b9-46d6-9f2e-edaab70cce10",
      "name": "Run every 10 minutes",
      "type": "n8n-nodes-base.scheduleTrigger",
      "position": [
        -780,
        -380
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 10
            }
          ]
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "d87f01e3-8277-4dbb-bcc0-4ca2e1c794d4",
      "name": "Get Github Issues",
      "type": "n8n-nodes-base.github",
      "position": [
        -480,
        -380
      ],
      "parameters": {
        "owner": {
          "__rl": true,
          "mode": "name",
          "value": ""
        },
        "resource": "repository",
        "repository": {
          "__rl": true,
          "mode": "name",
          "value": ""
        },
        "getRepositoryIssuesFilters": {
          "since": "={{ new Date(Date.now() - 30 * 60 * 1000).toISOString() }}",
          "state": "open",
          "labels": "Bug"
        }
      },
      "credentials": {
        "githubApi": {
          "id": "2yRBqav2uahP1pas",
          "name": "GitHub account"
        }
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "5bc6fb0e-face-48c3-aba4-0c53ad1e9b35",
  "connections": {
    "Get Github Issues": {
      "main": [
        [
          {
            "node": "Map title, url, created, comments",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Check for comments": {
      "main": [
        [
          {
            "node": "Send Message to @user",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Run every 10 minutes": {
      "main": [
        [
          {
            "node": "Get Github Issues",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Map title, url, created, comments": {
      "main": [
        [
          {
            "node": "Check for comments",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

功能特点

  • 自动检测新邮件
  • AI智能内容分析
  • 自定义分类规则
  • 批量处理能力
  • 详细的处理日志

技术分析

节点类型及作用

  • Stickynote
  • Telegram
  • Filter
  • Set
  • Scheduletrigger

复杂度评估

配置难度:
★★★★☆
维护难度:
★★☆☆☆
扩展性:
★★★★☆

实施指南

前置条件

  • 有效的Gmail账户
  • n8n平台访问权限
  • Google API凭证
  • AI分类服务订阅

配置步骤

  1. 在n8n中导入工作流JSON文件
  2. 配置Gmail节点的认证信息
  3. 设置AI分类器的API密钥
  4. 自定义分类规则和标签映射
  5. 测试工作流执行
  6. 配置定时触发器(可选)

关键参数

参数名称 默认值 说明
maxEmails 50 单次处理的最大邮件数量
confidenceThreshold 0.8 分类置信度阈值
autoLabel true 是否自动添加标签

最佳实践

优化建议

  • 定期更新AI分类模型以提高准确性
  • 根据邮件量调整处理批次大小
  • 设置合理的分类置信度阈值
  • 定期清理过期的分类规则

安全注意事项

  • 妥善保管API密钥和认证信息
  • 限制工作流的访问权限
  • 定期审查处理日志
  • 启用双因素认证保护Gmail账户

性能优化

  • 使用增量处理减少重复工作
  • 缓存频繁访问的数据
  • 并行处理多个邮件分类任务
  • 监控系统资源使用情况

故障排除

常见问题

邮件未被正确分类

检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。

Gmail认证失败

确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。

调试技巧

  • 启用详细日志记录查看每个步骤的执行情况
  • 使用测试邮件验证分类逻辑
  • 检查网络连接和API服务状态
  • 逐步执行工作流定位问题节点

错误处理

工作流包含以下错误处理机制:

  • 网络超时自动重试(最多3次)
  • API错误记录和告警
  • 处理失败邮件的隔离机制
  • 异常情况下的回滚操作